//
//  LCEncryptionManager.m
//  LongChain
//
//  Created by FengZi on 2018/4/18.
//  Copyright © 2018年 FengZi. All rights reserved.
//

#import "LCEncryptionManager.h"
#import <CommonCrypto/CommonDigest.h>
#import <CommonCrypto/CommonHMAC.h>

@implementation LCEncryptionManager

+ (instancetype)encryptionManager {
    static dispatch_once_t onceToken;
    static LCEncryptionManager *encryptionManager = nil;
    dispatch_once(&onceToken, ^{
        encryptionManager = [[self alloc]init];
    });
    return encryptionManager;
}
//  MD5 小写加密
- (NSString *)lc_MD5EncryptionWithOriginData:(NSString *)originData {
    
    const char *cStr = [originData UTF8String];
    unsigned char result[32];
    CC_MD5( cStr, (CC_LONG)strlen(cStr), result );
    return [[NSString stringWithFormat: @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
             result[0], result[1], result[2], result[3],
             
             result[4], result[5], result[6], result[7],
             
             result[8], result[9], result[10], result[11],
             
             result[12], result[13], result[14], result[15]
             
             ] uppercaseString];

}

@end
